Movement Disorders (revue)

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Baroreflex Sensitivity and Power Spectral Analysis During Autonomic Testing in Different Extrapyramidal Syndromes

Identifieur interne : 002083 ( PascalFrancis/Curation ); précédent : 002082; suivant : 002084

Baroreflex Sensitivity and Power Spectral Analysis During Autonomic Testing in Different Extrapyramidal Syndromes

Auteurs : Constanze Friedrich [Allemagne] ; Heinz Rüdiger [Allemagne] ; Claudia Schmidt [Allemagne] ; Birgit Herting [Allemagne] ; Silke Prieur [Allemagne] ; Susann Junghanns [Allemagne] ; Katherine Schweitzer [Allemagne] ; Christoph Globas [Allemagne] ; Ludger Schöls [Allemagne] ; Daniela Berg [Allemagne] ; Heinz Reichmann [Allemagne] ; Tjalf Ziemssen [Allemagne]

Source :

RBID : Pascal:10-0161556

Descripteurs français

English descriptors

Abstract

Autonomic dysfunction has been frequently demonstrated in patients with extrapyramidal diseases by cardiovascular autonomic testing. In addition to classical testing, we applied the more detailed baroreflex and spectral analysis on three traditional cardiovascular tests in this study to get additional information on autonomic outflow. We recorded continuously blood pressure, electrocardiogram, and respiration in 35 patients with multiple system atrophy, 32 patients with progressive supranuclear palsy, 46 patients with idiopathic Parkinson's disease and in 27 corresponding healthy subjects during cardiovascular autonomic testing (metronomic breathing, Valsalva manoeuvre, head-up tilt). Baroreflex and spectral analyses were performed by using trigonometric regressive spectral analysis between and during the manoeuvres. Consistent with previous interpretations, our data showed an increase of sympathetic activity in head-up tilt and Valsalva test in healthy controls. This sympathetic activity was significantly decreased in patients with typical and atypical Parkinson syndromes. Significant modulation of baroreflex activity could be observed especially during metronomic breathing; again it was significantly lower in all patient groups. Baroreflex and spectral parameters could not only differentiate between patients and healthy controls, but also differentiate between clinically symptomatic (with autonomic dysfunction as eg. orthostatic hypotension) and asymptomatic patients. In conclusion, our approach allows the evaluation of autonomic variability during short and nonstationary periods of time and may constitute a useful advance in the assessment of autonomic function in both physiological and pathological conditions.
pA  
A01 01  1    @0 0885-3185
A03   1    @0 Mov. disord.
A05       @2 25
A06       @2 3
A08 01  1  ENG  @1 Baroreflex Sensitivity and Power Spectral Analysis During Autonomic Testing in Different Extrapyramidal Syndromes
A11 01  1    @1 FRIEDRICH (Constanze)
A11 02  1    @1 RÜDIGER (Heinz)
A11 03  1    @1 SCHMIDT (Claudia)
A11 04  1    @1 HERTING (Birgit)
A11 05  1    @1 PRIEUR (Silke)
A11 06  1    @1 JUNGHANNS (Susann)
A11 07  1    @1 SCHWEITZER (Katherine)
A11 08  1    @1 GLOBAS (Christoph)
A11 09  1    @1 SCHÖLS (Ludger)
A11 10  1    @1 BERG (Daniela)
A11 11  1    @1 REICHMANN (Heinz)
A11 12  1    @1 ZIEMSSEN (Tjalf)
A14 01      @1 Autonomic and Neuroendocrinological Laboratory, University Clinic Carl Gustav Carus, Dresden University of Technology @3 DEU @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 5 aut. @Z 12 aut.
A14 02      @1 Movement Disorders Research Group, Department of Neurology, University Clinic Carl Gustav Carus, Dresden University of Technology @3 DEU @Z 4 aut. @Z 6 aut. @Z 11 aut.
A14 03      @1 Center of Neurology, Department of Neurodegeneration and Hertie-Institute for Clinical Brain Research, University of Tübingen @3 DEU @Z 7 aut. @Z 8 aut. @Z 9 aut. @Z 10 aut.
A20       @1 315-324
A21       @1 2010
A23 01      @0 ENG
A43 01      @1 INIST @2 20953 @5 354000181820230090
A44       @0 0000 @1 © 2010 INIST-CNRS. All rights reserved.
A45       @0 25 ref.
A47 01  1    @0 10-0161556
A60       @1 P
A61       @0 A
A64 01  1    @0 Movement disorders
A66 01      @0 USA
C01 01    ENG  @0 Autonomic dysfunction has been frequently demonstrated in patients with extrapyramidal diseases by cardiovascular autonomic testing. In addition to classical testing, we applied the more detailed baroreflex and spectral analysis on three traditional cardiovascular tests in this study to get additional information on autonomic outflow. We recorded continuously blood pressure, electrocardiogram, and respiration in 35 patients with multiple system atrophy, 32 patients with progressive supranuclear palsy, 46 patients with idiopathic Parkinson's disease and in 27 corresponding healthy subjects during cardiovascular autonomic testing (metronomic breathing, Valsalva manoeuvre, head-up tilt). Baroreflex and spectral analyses were performed by using trigonometric regressive spectral analysis between and during the manoeuvres. Consistent with previous interpretations, our data showed an increase of sympathetic activity in head-up tilt and Valsalva test in healthy controls. This sympathetic activity was significantly decreased in patients with typical and atypical Parkinson syndromes. Significant modulation of baroreflex activity could be observed especially during metronomic breathing; again it was significantly lower in all patient groups. Baroreflex and spectral parameters could not only differentiate between patients and healthy controls, but also differentiate between clinically symptomatic (with autonomic dysfunction as eg. orthostatic hypotension) and asymptomatic patients. In conclusion, our approach allows the evaluation of autonomic variability during short and nonstationary periods of time and may constitute a useful advance in the assessment of autonomic function in both physiological and pathological conditions.
C02 01  X    @0 002B17
C02 02  X    @0 002B17D
C03 01  X  FRE  @0 Syndrome extrapyramidal @5 01
C03 01  X  ENG  @0 Extrapyramidal syndrome @5 01
C03 01  X  SPA  @0 Extrapiramidal síndrome @5 01
C03 02  X  FRE  @0 Pathologie du système nerveux @5 02
C03 02  X  ENG  @0 Nervous system diseases @5 02
C03 02  X  SPA  @0 Sistema nervioso patología @5 02
C03 03  X  FRE  @0 Baroréflexe @5 09
C03 03  X  ENG  @0 Baroreflex @5 09
C03 03  X  SPA  @0 Barorreflejo @5 09
C03 04  X  FRE  @0 Analyse sensibilité @5 10
C03 04  X  ENG  @0 Sensitivity analysis @5 10
C03 04  X  SPA  @0 Análisis sensibilidad @5 10
C03 05  X  FRE  @0 Sensibilité spectrale @5 11
C03 05  X  ENG  @0 Spectral sensitivity @5 11
C03 05  X  SPA  @0 Sensibilidad espectral @5 11
C03 06  X  FRE  @0 Spectre puissance @5 12
C03 06  X  ENG  @0 Power spectrum @5 12
C03 06  X  SPA  @0 Espectro potencia @5 12
C03 07  X  FRE  @0 Analyse spectrale @5 13
C03 07  X  ENG  @0 Spectral analysis @5 13
C03 07  X  SPA  @0 Análisis espectral @5 13
C03 08  X  FRE  @0 Trouble fonctionnel @5 14
C03 08  X  ENG  @0 Dysfunction @5 14
C03 08  X  SPA  @0 Trastorno funcional @5 14
C07 01  X  FRE  @0 Pathologie de l'encéphale @5 37
C07 01  X  ENG  @0 Cerebral disorder @5 37
C07 01  X  SPA  @0 Encéfalo patología @5 37
C07 02  X  FRE  @0 Pathologie du système nerveux central @5 38
C07 02  X  ENG  @0 Central nervous system disease @5 38
C07 02  X  SPA  @0 Sistema nervosio central patología @5 38
N21       @1 102
N44 01      @1 OTO
N82       @1 OTO

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<term>Power spectrum</term>
<term>Sensitivity analysis</term>
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<term>Syndrome extrapyramidal</term>
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<term>Baroréflexe</term>
<term>Analyse sensibilité</term>
<term>Sensibilité spectrale</term>
<term>Spectre puissance</term>
<term>Analyse spectrale</term>
<term>Trouble fonctionnel</term>
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<div type="abstract" xml:lang="en">Autonomic dysfunction has been frequently demonstrated in patients with extrapyramidal diseases by cardiovascular autonomic testing. In addition to classical testing, we applied the more detailed baroreflex and spectral analysis on three traditional cardiovascular tests in this study to get additional information on autonomic outflow. We recorded continuously blood pressure, electrocardiogram, and respiration in 35 patients with multiple system atrophy, 32 patients with progressive supranuclear palsy, 46 patients with idiopathic Parkinson's disease and in 27 corresponding healthy subjects during cardiovascular autonomic testing (metronomic breathing, Valsalva manoeuvre, head-up tilt). Baroreflex and spectral analyses were performed by using trigonometric regressive spectral analysis between and during the manoeuvres. Consistent with previous interpretations, our data showed an increase of sympathetic activity in head-up tilt and Valsalva test in healthy controls. This sympathetic activity was significantly decreased in patients with typical and atypical Parkinson syndromes. Significant modulation of baroreflex activity could be observed especially during metronomic breathing; again it was significantly lower in all patient groups. Baroreflex and spectral parameters could not only differentiate between patients and healthy controls, but also differentiate between clinically symptomatic (with autonomic dysfunction as eg. orthostatic hypotension) and asymptomatic patients. In conclusion, our approach allows the evaluation of autonomic variability during short and nonstationary periods of time and may constitute a useful advance in the assessment of autonomic function in both physiological and pathological conditions.</div>
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<s5>09</s5>
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